Analysis

  • max time kernel
    91s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 08:28

General

  • Target

    76641c0315129af7d2efd0de48510b4189057569b5ba7098d4bdfa20079a33fe.exe

  • Size

    123KB

  • MD5

    098f92c8c013272776c2b3dfa8cfe854

  • SHA1

    2f6086a8d54d2cae4ad90499f350d2db216c6667

  • SHA256

    76641c0315129af7d2efd0de48510b4189057569b5ba7098d4bdfa20079a33fe

  • SHA512

    9a5051ea2ce83a11943a1fd9d6fc51d1da4556b1c64c74e417665b1c658818884be5f526964f73256bed9b40c6cb3edf296a5fe483c3d5fe9e7deca704f76db1

  • SSDEEP

    768:G06R0UtgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9ICW:kR0Zn3Pc0LCH9MtbvabUDzJYWu3B

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 11 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 49 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76641c0315129af7d2efd0de48510b4189057569b5ba7098d4bdfa20079a33fe.exe
    "C:\Users\Admin\AppData\Local\Temp\76641c0315129af7d2efd0de48510b4189057569b5ba7098d4bdfa20079a33fe.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4752
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2160
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:644
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 644 -s 204
            4⤵
            • Program crash
            PID:3880
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2428
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2428 CREDAT:17410 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3596
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3568
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3568 CREDAT:17410 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4144
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 644 -ip 644
      1⤵
        PID:1384

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Program Files (x86)\Microsoft\WaterMark.exe

              Filesize

              123KB

              MD5

              098f92c8c013272776c2b3dfa8cfe854

              SHA1

              2f6086a8d54d2cae4ad90499f350d2db216c6667

              SHA256

              76641c0315129af7d2efd0de48510b4189057569b5ba7098d4bdfa20079a33fe

              SHA512

              9a5051ea2ce83a11943a1fd9d6fc51d1da4556b1c64c74e417665b1c658818884be5f526964f73256bed9b40c6cb3edf296a5fe483c3d5fe9e7deca704f76db1

            • C:\Program Files (x86)\Microsoft\WaterMark.exe

              Filesize

              123KB

              MD5

              098f92c8c013272776c2b3dfa8cfe854

              SHA1

              2f6086a8d54d2cae4ad90499f350d2db216c6667

              SHA256

              76641c0315129af7d2efd0de48510b4189057569b5ba7098d4bdfa20079a33fe

              SHA512

              9a5051ea2ce83a11943a1fd9d6fc51d1da4556b1c64c74e417665b1c658818884be5f526964f73256bed9b40c6cb3edf296a5fe483c3d5fe9e7deca704f76db1

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

              Filesize

              471B

              MD5

              2d2178c4ba2e01df79b6e787caecd70e

              SHA1

              32feba9571993a2bdccc68d6de1bdd68f82cfbf8

              SHA256

              ba9dee61d1e95e7b33bdf223da96a8348a890459853c5437cd7981520d43849d

              SHA512

              23d8a224158a47ed813aa0ffec86f915fe28eaed3612f0e93be64bef5bfe08044730a550a3b7546e131fc3810c39defd6602ef30ed2f058336b8e7c5b5cd238c

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

              Filesize

              471B

              MD5

              2d2178c4ba2e01df79b6e787caecd70e

              SHA1

              32feba9571993a2bdccc68d6de1bdd68f82cfbf8

              SHA256

              ba9dee61d1e95e7b33bdf223da96a8348a890459853c5437cd7981520d43849d

              SHA512

              23d8a224158a47ed813aa0ffec86f915fe28eaed3612f0e93be64bef5bfe08044730a550a3b7546e131fc3810c39defd6602ef30ed2f058336b8e7c5b5cd238c

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

              Filesize

              434B

              MD5

              422438465a89ee9c8905c26872d6c697

              SHA1

              54f2a4f23c500c26f2e2cb6a0ee1a05603545313

              SHA256

              7d55291eca0d3474f0210309e7ff2f695281faa940f5d027092a9da47378b0e9

              SHA512

              eaee8bf3f58b02e8c89be91ddbfe06d7df214649a61e7fe3cc080748b86426032425623f4579fb7007dae504abf8c1bc677aa93fa956fe5d1e904779d508b336

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

              Filesize

              434B

              MD5

              422438465a89ee9c8905c26872d6c697

              SHA1

              54f2a4f23c500c26f2e2cb6a0ee1a05603545313

              SHA256

              7d55291eca0d3474f0210309e7ff2f695281faa940f5d027092a9da47378b0e9

              SHA512

              eaee8bf3f58b02e8c89be91ddbfe06d7df214649a61e7fe3cc080748b86426032425623f4579fb7007dae504abf8c1bc677aa93fa956fe5d1e904779d508b336

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{E349101D-5DB7-11ED-A0EE-62142853BA25}.dat

              Filesize

              3KB

              MD5

              fa29dc3f44313d77bc0861ccfe4c6e30

              SHA1

              d34f8e4365df02f5f4b023ef30944dbfd663c7f7

              SHA256

              ad86d2424842ba7589cdcd4a3da7cd2576e7de6504757b89a183beb7eccf5768

              SHA512

              a613686e007840e849db67db9f693b58043300b08a5fd34825234c5646797e77a56800f36a43023f1c61f8098bb54d58c187964f82caf7f8e7785c6331ef22ab

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{E354F997-5DB7-11ED-A0EE-62142853BA25}.dat

              Filesize

              5KB

              MD5

              2cc919140b82122fb0db8482e04a0251

              SHA1

              c294e8978abc28cee1c55438398ec0405301929e

              SHA256

              168e0c0cc68ff1c76c346ebaf7449ec98b3915cdbd12b1b25b012262b8f35daa

              SHA512

              3153c1de9ef8dd780eff16e4230ddfc2133020dd02ddfcd6b65fbf311c7caa621a712ccb94f174bbb8bc3220acb1cb35616b8bf535f942f794d919636c79909c

            • memory/2160-154-0x0000000000400000-0x0000000000491000-memory.dmp

              Filesize

              580KB

            • memory/2160-149-0x0000000000400000-0x0000000000491000-memory.dmp

              Filesize

              580KB

            • memory/2160-147-0x0000000000400000-0x0000000000491000-memory.dmp

              Filesize

              580KB

            • memory/2160-148-0x0000000000400000-0x0000000000491000-memory.dmp

              Filesize

              580KB

            • memory/2160-152-0x0000000000400000-0x0000000000491000-memory.dmp

              Filesize

              580KB

            • memory/2160-153-0x0000000000400000-0x0000000000491000-memory.dmp

              Filesize

              580KB

            • memory/2160-155-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/2160-146-0x0000000000400000-0x0000000000491000-memory.dmp

              Filesize

              580KB

            • memory/4752-134-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4752-139-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4752-135-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB